package org.slicerj.utils;

import java.text.MessageFormat;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

public class ResourceBundleUtils {
	private static final String RESOURCE_BUNDLE = "org.eclipse.ui.examples.readmetool.messages";//$NON-NLS-1$

	private static ResourceBundle fgResourceBundle = ResourceBundle
			.getBundle(RESOURCE_BUNDLE);

	private ResourceBundleUtils() {
		// prevent instantiation of class
	}

	/**
	 * Returns the formatted message for the given key in the resource bundle.
	 * 
	 * @param key
	 *            the resource name
	 * @param args
	 *            the message arguments
	 * @return the string
	 */
	public static String format(String key, Object[] args) {
		return MessageFormat.format(getString(key), args);
	}

	/**
	 * Returns the resource object with the given key in the resource bundle. If
	 * there isn't any value under the given key, the key is returned,
	 * surrounded by '!'s.
	 * 
	 * @param key
	 *            the resource name
	 * @return the string
	 */
	public static String getString(String key) {
		try {
			return fgResourceBundle.getString(key);
		} catch (MissingResourceException e) {
			return "!" + key + "!";//$NON-NLS-2$ //$NON-NLS-1$
		}
	}

}
